VIEWSONIC ViewBoard IFP8662 86" 4K Interactive Display - Manual (Page 89)

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Grouping
Select the icon to assign Participants to groups.
Message
To allow messaging:
1. Tap the “Message” icon to enable the function.
2. Participants select Message to change to the message interface.
3. Participants key in their message then select SEND .
4. The message will scroll across the top of the ViewBoard.
Manager
Select the icon to let more Participants join the class.
Exit
Select to exit the Air Class interface.